Table 2

Examples of interventions, mechanisms and outcomes at different levels

LevelInterventionsChange mechanismsOutcomes
IndividualInformation provision; advertisingResonance; perceived relevance; reading and reflectionImproving knowledge, motivation/intentions
InterpersonalCounselling; peer educationModelling; influence of reference group; mentorshipImproving motivation/intentions; developing skills/self-efficacy
CommunityWalking group; food co-operation; neighbourhood watchSolidarity; diffusion of innovation; changing community normsImproving motivation/intentions, physical activity, diet, sense of security
OrganisationalInstitutional policies; quality standards; partnership workingAuthorisation; inspection; enforcement; increasing staff awarenessReducing discrimination; improving services
EnvironmentalClean air legislation; piped water; housing regulations; safe cycling and walking infrastructureLegislation; enforcement; redesign of services; ‘choice architecture’Environmental improvements; healthier housing; more physical activity
Macro policyPoverty reduction; redistribution of resources; education; controlling corporationsLegislation and enforcement; economic security and choicesHealthy lifestyles more affordable and given higher priority